试题详情
单项选择题过渡高度与过渡高度层之间的空间。（）

A、The airspace between the transition altitude and the transition level.

B、The airspace between the transition height and the transition level.

C、The airspace between the transition height or the transition level.

D、The airspace between the transition altitude or the transition level.

  • A

  • 关注下方微信公众号，在线模考后查看

热门试题